General description Ensures smooth operation and long service life. These standardized ball bearings are suitable for various applications including machine tools, electronic equipment, pump industry, airships, gear reducers, plastic machinery, motors, and textile machinery. They are characterized by high stability and reliability, and feature a rubber seal for effective dustproof performance. Made from high-quality bearing steel, these bearings are durable, wear-resistant, and collision-resistant. Technical specifications Model: MR115-2RS Material: Bearing steel, steel, rubber Color: Blue Inner diameter: 5 mm / 0.20 in Outer diameter: 11 mm / 0.43 in Thickness: 4 mm / 0.16 in Weight: 39 g Included in delivery 25 x rubber sealed ball bearings